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Settings : Accessibility
To turn RTT on:
1.
Tap
.
2.
Tap > Settings > Accessibility.
3.
Tap the real-time text option and turn it on or select when you want it to appear.
To make a call with RTT:
1.
Tap
.
2.
Call
the number.
While the phone rings, the other person's screen displays an RTT indicator.
3.
After the other person answers, enter a message in the text field.
The text that you enter is visible to the other person as you type.
4.
During a call, you can tap to mute the call, turn on the speaker, return to the keypad, or add a call.
5.
To end the call, tap
Set up TTY device
Not all carriers support this feature.
For text-based communication, you can use
If you prefer to connect to a TTY device:
1.
Tap
.
2.
Tap > Settings > Accessibility > TTY mode.
3.
Select a mode.
4.
Connect your phone and TTY with the audio cord that came with your TTY.
.
text messaging
and email.
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